Home / 55,589.69-83,392.61-18,140.54

Finding the Fourth Proportional to 55,589.69, 83,392.61 and 18,140.54

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Solution

The fourth proportional to 55,589.69, 83,392.61 and 18,140.54 is: 27,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,589.69 : 83,392.61 = 18,140.54 : x
  2. Step 2: Convert to fraction form
    55,589.69/83,392.61 = 18,140.54/x
  3. Step 3: Cross multiply
    55,589.69x = 83,392.61 × 18,140.54
  4. Step 4: Simplify right side
    55,589.69x = 1,512,786,469.74
  5. Step 5: Solve for x
    x = 1,512,786,469.74/55,589.69
  6. Step 6: Final answer
    x = 27,213.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.